Abstract
A pragmatic design strategy to achieve unusual mechanical responses in metal lattice structures is deployed. This strategy, referred to as behavior by design, is illustrated with an architectured material fabricated to provide a “whistle-blower” mechanical response under tensile loading. Struts with unusual geometries, e.g. dog-bone struts and corrugated struts, are assembled in parallel in a standard lattice unit-cell to obtain the targeted elasto-plastic behavior, here a “whistle-blower” behaviour. The design strategy benefits from the freedom provided by additive manufacturing.
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